FR551952A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the concentration of ores or the separation of certain constituents of an ore from other constituents
Assignee: Minerals Separation Ltd
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Filing: 1922-05-23
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Granted: 1923-04-18
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Expires: 1942-05-23
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 08:03
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/02; B03D1/06
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